Rumer Willis raising a special little girl.

The 36-year-old actress introduced her 18-month-old daughter Louettathe unique style of in an adorable Instagram post on Sunday, November 10.

The post contained a photo of Louetta posing for a snap in front of a brown sofa. She wore a green jacket, black and white checkered pants and silver boots, completing the look with a small black bow and backwards sunglasses.

“Literally the coolest person I know ,” Willis gushed in the caption. Fans couldn’t help but agree in the comments section.

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“The coolest of the cool!,” one fan wrote. “Yes, she’s the only girl I know who can wear such precious backwards sunglasses,” another commented.

Willis shares her daughter with her ex-boyfriend Derek Richard ThomasWho she announced her separation in August while answering questions on her Instagram Stories.

A fan asked the mom-of-one at the time: “Are you and Derek still a couple?”

“No, I’m a single mom and co-parent. I’m so grateful for Lou. She’s the best thing in my life and I’m forever grateful that I was able to have the time in this relationship for her to come into my life. ” she wrote.

Last month, Willis opened up to PEOPLE about her toddler’s personality and charmcomparing him to his father, Bruce Willisof which diagnosis of frontotemporal dementia was publicly announced in February 2023.

“The amazing thing is actually that Louetta has this fucking smirk in her eyes!” she said. “She literally has this little sparkle, this certain thing that you can’t (see anywhere else). It’s like this charm and this charisma and this mischief that characterizes my father. And I love that she has that. ”

Willis previously told PEOPLE how much his family loves Louettaexpressing that “Louetta is honestly like the most famous person in our family”.

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“Within my family, people will call and ask to go on dates just with her,” she told PEOPLE in May. “They say, ‘We don’t really want to see you, we’re just coming to see Louetta.’ I’m like, ‘Okay.’